test(ivy): update test that is flaky in IE (angular#23899)

PR Close angular#23899

packages/core/test/render3/instructions_spec.ts

@@ -497,10 +497,6 @@ describe('instructions', () => {
           'title',
           'abc',
 
-          // style="background: #dead11"
-          'style',
-          'background: #dead11',
-
           // NS1:whatever="wee"
           AttributeMarker.NAMESPACE_URI,
           'http://www.example.com/2014/test',
@@ -516,19 +512,16 @@ describe('instructions', () => {
       });
 
       const standardHTML =
-          '<div id="container" title="abc" style="background: #dead11" whatever="wee" shazbot="wocka wocka"></div>';
-      const ieHTML =
-          '<div id="container" style="background: rgb(222, 173, 17);" title="abc" whatever="wee" shazbot="wocka wocka"></div>';
+          '<div id="container" title="abc" whatever="wee" shazbot="wocka wocka"></div>';
 
-      expect([standardHTML, ieHTML]).toContain(t.html);
+      expect(t.html).toEqual(standardHTML);
 
       const div = t.hostElement.querySelector('#container');
-      expect(div !.attributes.length).toBe(5);
+      expect(div !.attributes.length).toBe(4);
 
       const expectedAttributes: {[key: string]: string} = {
         'id': 'container',
         'http://www.example.com/2014/test:title': 'abc',
-        'style': 'background: #dead11',
         'http://www.example.com/2014/test:whatever': 'wee',
         'http://www.whatever.com/2016/blah:shazbot': 'wocka wocka',
       };